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Locomotive-Specs
GMD SD40 – photo 1© trainspo.com
Diesel locomotive

GMD SD40

Built by EMD, GMD

Top speed
134 km/h
83 mph
Power output
2,240 kW
3,004 hp
Weight
160 t
352,739 lb
Length
20.02 m
65 ft 8 in
Track gauge
1,435 mm
Standard gauge
Years built
1966–1972
1,268 units

Overview of the GMD SD40

Explore the powerful EMD SD40 diesel locomotive, a versatile and robust workhorse renowned for its performance in both freight and passenger operations.

This diesel locomotive, featuring a Co'Co' axle configuration and weighing 160 tons, is capable of reaching impressive speeds of up to 134 km/h.

Powered by an EMD 16-645E3 prime mover, the SD40 delivers a substantial 2240 kW of power, making it a reliable choice for a wide array of railway tasks.

Throughout its history, the SD40 has proudly served numerous prestigious railway companies across the United States and Canada, including the Atchison, Topeka and Santa Fe Railway, Burlington Northern, and Canadian National Railway, among many others.

With its dimensions of 20.02 meters in length, 3.05 meters in width, and 4.71 meters in height, this locomotive is perfectly suited for the standard 1435 mm gauge, ensuring seamless operation across extensive rail networks.

The EMD SD40 stands as a significant pillar in the history of railway transportation, distinguished by its enduring design and dependable performance.

GMD SD40 technical specifications

Value
Built byEMD, GMD · 1966–19721,268 units
Top speed134 km/h83 mph
Power output2,240 kW3,004 hp
Prime moverEMD 16-645E3
Track gauge1,435 mmStandard gauge4 ft 8½ in
UIC axle arrangementCo'Co'
Length20.02 m65 ft 8 in
Width3.05 m10 ft 0 in
Height4.71 m15 ft 5 in
Weight160 t352,739 lb

Operators of the GMD SD40

Railway companies that have operated the SD40, with the class designation used by each of them.

OperatorClassCountry
Canadian National RailwayCN SD40Canada
Canadian Pacific RailwayCP SD40Canada
Atchison, Topeka and Santa Fe RailwayATSF SD40United States
Atchison, Topeka and Santa Fe RailwayATSF SD40uUnited States
Burlington NorthernBN SD40United States
Burlington NorthernBN SD40BUnited States
Chesapeake and Ohio RailwayC&O SD40United States
Chicago and North Western Transportation CompanyCNW SD40United States
Clinchfield RailroadCRR SD40United States
Conrail: Consolidated Rail CorporationCR SD40United States
Grand Trunk Western RailroadGTW SD40United States
Gulf Mobile & OhioGM&O SD40United States
Helm Leasing CompanyHLCX SD40United States
Kansas City Southern RailwayKCS SD40United States
Missouri PacificMP SD40United States
Morrison Knudsen CorporationMKCX SD40United States
Norfolk and Western RailwayNW SD40United States
Norfolk Southern RailwayNS SD40United States
Soo Line RailroadSOO SD40United States
Union Pacific RailroadUP SD40United States
Utah RailwayUTAH SD40MUnited States
Western Fuels AssociationWFAX SD40United States
Wheeling and Lake Erie RailwayWE SD40United States

GMD SD40 photos

Photos © their respective authors, shared on trainspo.com. They may show liveries or variants that differ from the specifications above.

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